1825 with the Doylestown Fire Engine Company.In 1838 the Borough of Doylestown was incorporated.An electric telegraph station was built in 1846 and in 1856 a branch of the North Pennsylvania Railroad was completed to Doylestown. The first gas lights were introduced in 1854. Because of the town's relatively high elevation and a lack of strong water power, substantial industrial development never occurred and Doylestown evolved to have a professional and residential character.During the mid-nineteenth century several large tracts located east of the courthouse area were subdivided into neighborhoods

. The next significant wave of development occurred after the Civil War when the 30-acre (120,000 m2) Magill property to the southwest of the town's core was subdivided for residential lots.In 1869 Doylestown established a water works. The first telephone line arrived in 1878, the same year that a new courthouse was erected. 1897 saw the first of several trolley lines connecting Doylestown with Willow Grove, Newtown and Easton beginning operation. A private sewer system and treatment plant was authorized in 1903. The Borough took over and expanded sewer service to about three-quarters of the town in 1921.In the early 20th century, Doylestown became best known to the outside world through the "Tools of the Nation-Maker" museum of the Bucks County Historical Society. Henry Chapman Mercer constructed the reinforced poured concrete building in 1916 to house his collection of mechanical tools and utensils

. Upon his death in 1930, Mercer also left his similarly constructed home Fonthill and adjacent "Moravian Pottery and Tile Works", to be operated as a museum. The home was left on the condition that his housekeeper be allowed to live there for the rest of her life. She lived there and gave tours until the mid nineteen-seventies.1825 with the Doylestown Fire Engine Company.In 1838 the Borough of Doylestown was incorporated.An electric telegraph station was built in 1846 and in 1856 a branch of the North Pennsylvania Railroad was completed to Doylestown. The first gas lights were introduced in 1854. Because of the town's relatively high elevation and a lack of strong water power, substantial industrial development never occurred and Doylestown evolved to have a professional and residential character.During the mid-nineteenth century several large tracts located east of the courthouse area were subdivided into neighborhoods. The next significant wave of development occurred after the Civil War when the 30-acre (120,000 m2) Magill property to the southwest of the town's core was subdivided for residential lots.In 1869 Doylestown established a water works. The first telephone line arrived in 1878, the same year that a new courthouse was erected. 1897 saw the first of several trolley lines connecting Doylestown with Willow Grove, Newtown and Easton beginning operation. A private sewer system and treatment plant was authorized in 1903. The Borough took over and expanded sewer service to about three-quarters of the town in 1921.In the early 20th century, Doylestown became best known to the outside world through the "Tools of the Nation-Maker" museum of the Bucks County Historical Society. Henry Chapman Mercer constructed the reinforced poured concrete building in 1916 to house his collection of mechanical tools and utensils. Upon his death in 1930, Mercer also left his similarly constructed home Fonthill and adjacent "Moravian Pottery and Tile Works", to be operated as a museum. The home was left on the condition that his housekeeper be allowed to live there for the rest of her life. She lived there and gave tours until the mid nineteen-seventies.1825 with the Doylestown Fire Engine Company.In 1838 the Borough of Doylestown was incorporated.An electric telegraph station was built in 1846 and in 1856 a branch of the North Pennsylvania Railroad was completed to Doylestown. The first gas lights were introduced in 1854. Because of the town's relatively high elevation and a lack of strong water power, substantial industrial development never occurred and Doylestown evolved to have a professional and residential character.During the mid-nineteenth century several large tracts located east of the courthouse area were subdivided into neighborhoods. The next significant wave of development occurred after the Civil War when the 30-acre (120,000 m2) Magill property to the southwest of the town's core was subdivided for residential lots.In 1869 Doylestown established a water works. The first telephone line arrived in 1878, the same year that a new courthouse was erected. 1897 saw the first of several trolley lines connecting Doylestown with Willow Grove, Newtown and Easton beginning operation. A private sewer system and treatment plant was authorized in 1903. The Borough took over and expanded sewer service to about three-quarters of the town in 1921.In the early 20th century, Doylestown became best known to the outside world through the "Tools of the Nation-Maker" museum of the Bucks County Historical Society. Henry Chapman Mercer constructed the reinforced poured concrete building in 1916 to house his collection of mechanical tools and utensils. Upon his death in 1930, Mercer also left his similarly constructed home Fonthill and adjacent "Moravian Pottery and Tile Works", to be operated as a museum. The home was left on the condition that his housekeeper be allowed to live there for the rest of her life. She lived there and gave tours until the mid nineteen-seventies.1825 with the Doylestown Fire Engine Company.In 1838 the Borough of Doylestown was incorporated.An electric telegraph station was built in 1846 and in 1856 a branch of the North Pennsylvania Railroad was completed to Doylestown. The first gas lights were introduced in 1854. Because of the town's relatively high elevation and a lack of strong water power, substantial industrial development never occurred and Doylestown evolved to have a professional and residential character.During the mid-nineteenth century several large tracts located east of the courthouse area were subdivided into neighborhoods. The next significant wave of development occurred after the Civil War when the 30-acre (120,000 m2) Magill property to the southwest of the town's core was subdivided for residential lots.In 1869 Doylestown established a water works. The first telephone line arrived in 1878, the same year that a new courthouse was erected. 1897 saw the first of several trolley lines connecting Doylestown with Willow Grove, Newtown and Easton beginning operation. A private sewer system and treatment plant was authorized in 1903. The Borough took over and expanded sewer service to about three-quarters of the town in 1921.In the early 20th century, Doylestown became best known to the outside world through the "Tools of the Nation-Maker" museum of the Bucks County Historical Society. Henry Chapman Mercer constructed the reinforced poured concrete building in 1916 to house his collection of mechanical tools and utensils. Upon his death in 1930, Mercer also left his similarly constructed home Fonthill and adjacent "Moravian Pottery and Tile Works", to be operated as a museum. The home was left on the condition that his housekeeper be allowed to live there for the rest of her life. She lived there and gave tours until the mid nineteen-seventies.